Information Systems Security Specialist

AMERICAN SYSTEMS

. Support the ISSO/Security Architect as a secondary point of contact with programs, system owners, administrators, and other stakeholders .

Posted 10/2/2026full-timeFredericksburg • Virginia • United StatesMid-LevelSenior💰 $130,000 - $170,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in cybersecurity compliance, documentation management, and program support within federal/DoD environments, with a strong focus on organizational skills and stakeholder coordination.

Highest-signal resume keywords

Active Top Secret ClearanceCybersecurity Compliance ExperienceGRC Tools FamiliarityVulnerability Management KnowledgeMicrosoft Office Proficiency

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Cybersecurity FundamentalsSecurity Documentation ManagementInventory ManagementPOA&M Status ReportingAction Item Tracking

Soft Skills

Strong Organizational SkillsWritten Communication SkillsVerbal Communication SkillsProfessional Follow-ThroughSound Judgment

Tools & Technologies

XactaEMASSACASNessusTenableTaniumMicrosoft ExcelMicrosoft Teams

Industry Keywords

RMFNIST SP 800-53STIGsATO ProcessesSystem Interconnection Agreements

Tech Stack

Tools & technologies

Cyber Security

About the role

Key responsibilities & impact

Support the ISSO/Security Architect as a secondary point of contact with programs, system owners, administrators, and other stakeholders
Track correspondence, action items, deliverables, deadlines, and meeting follow-ups through closure
Schedule meetings, capture notes, distribute action items, and maintain project planning boards and deliverable trackers
Review, track, and maintain security and interconnection documentation, including ISAs, SLAs, OLAs, MOUs, MOAs, PTAs, and PIAs
Manage routing, signatures, expirations, and renewals for security agreements
Draft, format, review, and maintain supporting security documentation with completeness, consistency, version control, and organized document management
Track vulnerability scan results, remediation status, and POA&M items
Coordinate scan schedules and follow up on open findings with system administrators
Maintain hardware and software inventories and align them with system documentation and the authorization boundary
Enter and update artifacts, control status, inventories, evidence, and POA&Ms in GRC tools such as Xacta
Generate status reports for assessments and continuous monitoring
Support ongoing RMF, ATO, and continuous monitoring activities
Escalate unresolved issues, documentation gaps, or schedule risks as needed

Requirements

What you’ll need

Active Top Secret clearance with SCI eligibility
HS + 13 years, AS + 10 years, BS + 6 years, or MS + 4 years of relevant experience in IT, cybersecurity, compliance, program support, or administrative/project coordination
Experience supporting cybersecurity compliance, documentation, coordination, or program execution in a federal/DoD setting
Strong organizational, written, and verbal communication skills
Ability to manage multiple stakeholders, deadlines, and action items independently
Working knowledge of cybersecurity fundamentals, including access control, least privilege, patching, vulnerability management, data handling, and incident reporting
Experience with security documentation, agreement tracking, inventory management, artifact management, and POA&M status reporting
Familiarity with GRC tools such as Xacta or eMASS
Familiarity with vulnerability scanning tools and outputs such as ACAS/Nessus, Tenable, Tanium, or similar
Exposure to RMF, NIST SP 800-53, STIGs, ATO processes, and system interconnection agreements such as ISAs and MOUs
Proficiency with Microsoft Office, especially Excel, and Microsoft Teams
Professional follow-through, sound judgment, and ability to know when to act independently and when to escalate

Benefits

Comp & perks

Healthcare benefits
Paid leave
Retirement plans
Insurance programs
Education and training assistance
Employee ownership